Originally Posted by
SATTSO
Clothing basically vanishes on the x-ray; they see your item. If it's wax or a very firm gel they most likely see it as a solid and let it go. Or your item is too small to cause them much concern. To be honest, if I see just one or two items in a bag, unless pretty large, I let it go if I'm on x-ray.
I've watched my bag on the different types of x-ray screens. Maybe it's my concealment technique, but Ive never seen anything that looked like a liquid/gel container.
I've received a couple "bag check!!!!" and they still didn't find it.